Display screen, or portion thereof, with a graphical user interface for an email application



A portion of the disclosure of this patent document contains material to which a claim for copyright is made. The copyright owner has not objected to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but reserves all other copyright rights whatsoever.

The FIGURE is a front view of a display screen, or portion thereof, with a graphical user interface for an email application on an electronic device.

The broken lines showing portions of the graphical user interface are included for the purpose of illustrating environmental structure of the display screen, or portion thereof, and form no part of the claimed design. The outer edge of the display screen is understood to be congruent with the outer edge of the graphical user interface. 

CLAIM The ornamental design for a display screen, or portion thereof, with a graphical user interface for an email application, as shown and described. 